Finding the Fourth Proportional to 1,104,925.37, 1,524,781.69 and 621,490.84
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Solution
The fourth proportional to 1,104,925.37, 1,524,781.69 and 621,490.84 is: 857,648.74
Step by Step Solution
- Step 1: Write the proportion equation
1,104,925.37 : 1,524,781.69 = 621,490.84 : x - Step 2: Convert to fraction form
1,104,925.37/1,524,781.69 = 621,490.84/x - Step 3: Cross multiply
1,104,925.37x = 1,524,781.69 × 621,490.84 - Step 4: Simplify right side
1,104,925.37x = 947,637,842,603.36 - Step 5: Solve for x
x = 947,637,842,603.36/1,104,925.37 - Step 6: Final answer
x = 857,648.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.